Roll of Honor
Robert William Mason, Jr.
Incident
Deputy Constable Robert Mason was shot and killed at the Continental Number 3 mine, in Georges Township, while conducting a gambling raid at a home with members of the Pennsylvania State Police, Coal and Iron Police, and detectives with the Fayette County District Attorney's Office.
While making entry into a hallway a subject opened fire from the living room, striking a trooper in the shoulder. Deputy Constable Mason, who was positioned in the backyard at the kitchen door, was shot in the stomach as the same subject was trying to escape. The man then opened fire on a Coal and Iron police officer positioned on the side of the house, striking him in the arm. All three officers were taken to Uniontown Hospital where Deputy Constable Mason succumbed to his wound shortly after arrival. The other officers survived their wounds.
The man who killed Deputy Constable Mason fled to Rock Forge, West Virginia, where he was severely wounded by local law enforcement. He became paralyzed from waist down while making an escape through a roof of a home he was staying at. He was brought to back to Pennsylvania for treatment and to be tried.
On December 24th, 1924, he was convicted of first-degree murder and sentenced to death. He was executed by electrocution at Rockview Penitentiary on October 12th, 1925.
Deputy Constable Mason was a U.S. Marine Corps veteran and had served with the Pennsylvania State Constable - Fayette County for two years.
Survivors
He was survived by his parents.
In Our Keeping
- Permanent identifier
BO-US-PA-D207138A- Stewardship
- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- April 2, 2026
- Last updated
- July 23, 2026
Honored here by 1 sentinel - 1 tribute.
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Tributes
I served 1985 to 1993. You served too, before the badge - different uniform, same idea. You go where you are sent and you do not get to pick the call.
Deputy Constable Mason gave the Pennsylvania State Constable 2 years.
Thank you for your service to the Uniontown community. Thank you for your service before it. Gone but never to be forgotten.
Rest easy, brother.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Military Service
Robert William Mason, Jr. served in the United States military before joining law enforcement. Full service record available on salute.nw.
Deputy Constable Robert William Mason, Jr. is one of 17,623 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 54.2% of all 32,508 officers honored here.
In PA, 597 of 1,261 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 47.3% of this state's fallen. That is 6.9 percentage points below the national rate of 54.2%.
At Pennsylvania State Constable - Fayette County, 2 of 3 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 66.7% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Robert William Mason, Jr.'s cause is highlighted.
How Robert William Mason, Jr. Compares
Offender Outcome
Sentenced to death
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Robert William Mason, Jr. is highlighted in Feb.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. Robert William Mason, Jr. was killed by handgun; .45 caliber.
Incident Location
Others Who Wore This Badge
2 officers from Pennsylvania State Constable - Fayette County are honored on badge.nw.
